Cooler



FIG. 1 is a perspective view of a cooler showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view with the left side being a mirror image thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken line showing of the logos in FIGS. 5 and 6 is for illustrative purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for a cooler, as shown and described. 